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Predicting the Necessity for Extracorporeal Circulation During Lung Transplantation: A Feasibility Study
Ludwig Christian Hinske1, Dominik Johannes Hoechter1, Eva Schröeer1
1Department of Anesthesiology, Comprehensive Pneumology Center (CPC-M), Member of the German Center for Lung Research (DZL), Munich, Germany.
Journal of Cardiothoracic and Vascular Anesthesia
|April 4, 2017
Summary
Identifying patients needing unplanned extracorporeal circulation during lung transplantation is crucial. A new 3-point score using pulmonary arterial pressure and lung allocation score effectively predicts these patients.
Area of Science:
- Cardiothoracic Surgery
- Pulmonary Medicine
- Transplant Surgery
Background:
- Unplanned extracorporeal circulation during lung transplantation is a significant complication with poorly defined risk factors.
- Accurate identification of at-risk patients is essential for optimizing perioperative management and resource allocation.
Purpose of the Study:
- To identify preoperative and intraoperative predictors of unplanned extracorporeal circulation during lung transplantation.
- To develop and validate a predictive scoring system for unplanned extracorporeal circulation in lung transplant recipients.
Main Methods:
- Retrospective analysis of 170 lung transplant patients without a priori need for extracorporeal circulation.
- Evaluation of preoperative and intraoperative variables using automated model building.
- Development and validation of a novel 3-point scoring system.
Main Results:
- Preoperative mean pulmonary arterial pressure was the strongest predictor of unplanned extracorporeal circulation.
- A logistic regression model incorporating mean pulmonary arterial pressure and lung allocation score achieved an AUC of 0.85.
- The novel 3-point scoring system, based on these factors, accurately identified patients at risk in an independent validation cohort of 52 patients.
Conclusions:
- A novel 3-point scoring system effectively identifies patients at risk for unplanned extracorporeal circulation during lung transplantation.
- This score, utilizing preoperative mean pulmonary arterial pressure and lung allocation score, aids in risk stratification for lung transplant candidates.